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Use the Law of Cosines to find the specified missing value. Approximate your answer to the nearest tenth. If B = 116°, a = 4.2 ft, c = 6.8 ft, find C. 66.4° 40.4° 23.6° 49.6°
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Use the Law of Cosines to find the specified missing value. Approximate your answer to the nearest tenth.

If B = 116°, a = 4.2 ft, c = 6.8 ft, find C.

66.4°

40.4°

23.6°

49.6°

User Tumbudu
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1 Answer

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The angle is 40.4°.  I wrote it out since it's easier to see with a picture
Use the Law of Cosines to find the specified missing value. Approximate your answer-example-1
User JayPea
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